Question
Find the angle between the vectors u and v if
u = (-1,4)
v = (3,-4)
a. 155.93
b. 158.58
c. 158.13
d. 155.24
e. 157.17
u = (-1,4)
v = (3,-4)
a. 155.93
b. 158.58
c. 158.13
d. 155.24
e. 157.17
Answers
Steve
just plug in your numbers:
cosθ =
<b>u</b>•<b>v</b>
-----------------------
|<b>u</b>| |<b>u</b>|
cosθ =
<b>u</b>•<b>v</b>
-----------------------
|<b>u</b>| |<b>u</b>|
anna
I've tried this and got - 0.9216353751380653
can you help me any further please?
can you help me any further please?